|
马上注册,结交更多好友,享用更多功能^_^
您需要 登录 才可以下载或查看,没有账号?立即注册
x
1.工厂函数
- >>> type(len)
- <class 'builtin_function_or_method'>
- >>> type(dir)
- <class 'builtin_function_or_method'>
- >>> type(int)
- <class 'type'>
- >>> type(list)
- <class 'type'>
- >>> class C:
- pass
- >>> type(C)
- <class 'type'>
- >>> a = int('123')
- >>> a
- 123
- >>> b = int('456')
- >>> a + b
- 579
- >>> class New_int(int):
- def __add__(self, other):
- return int.__sub__(self, other)
- def __sub__(self, other):
- return int.__add__(self, other)
-
- >>> a = New_int(3)
- >>> b = New_int(5)
- >>> a + b
- -2
- >>> a - b
- 8
- >>> class Try_int(int):
- def __add__(self, other):
- return self + other
- def __sub__(self, other):
- return self - other
-
- >>> a = Try_int(3)
- >>> b = Try_int(5)
- >>> a + b
- Traceback (most recent call last):
- File "<pyshell#26>", line 1, in <module>
- a + b
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- File "<pyshell#23>", line 3, in __add__
- return self + other
- RuntimeError: maximum recursion depth exceeded
- >>> class Try_int(int):
- def __add__(self, other):
- return int(self) + int(other)
- def __sub__(self, other):
- return int(self) - int(other)
-
- >>> a = Try_int(3)
- >>> b = Try_int(5)
- >>> a + b
- 8
复制代码
2.算术运算符
__add__(self, other) 定义加法的行为:+
__sub__(self, other) 定义减法的行为:-
__mul__(self, other) 定义加法的行为:*
__truediv__(self, other) 定义加法的行为:/
__floordiv__(self, other) 定义加法的行为://
__mod__(self, other) 定义取模算法的行为:%
__divmod__(self, other) 定义当被divmod()调用时的行为
__pow__(self, other[,modulo]) 定义当被power()调用或**运算时的行为
__lshift__(self, other) 定义按位左移位的行为:<<
__rshift__(self, other) 定义按位右移位的行为:>>
__and__(self, other) 定义按位与操作的行为: &
__xor__(self, other) 定义按位异或操作的行为: ^
__or__(self, other) 定义按位或操作的行为: | |
评分
-
查看全部评分
|